ios/chrome/browser/autocomplete/shortcuts_backend_factory.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IOS_CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "components/keyed_service/ios/refcounted_browser_state_keyed_service_factory.h"
  11
  12 template <typename T>
  13 struct DefaultSingletonTraits;
  14 class ShortcutsBackend;
  15
  16 namespace ios {
  17
  18 class ChromeBrowserState;
  19
  20 // Singleton that owns all ShortcutsBackends and associates them with
  21 // ios::ChromeBrowserState.
  22 class ShortcutsBackendFactory
  23     : public RefcountedBrowserStateKeyedServiceFactory {
  24  public:
  25   static scoped_refptr<ShortcutsBackend> GetForBrowserState(
  26       ios::ChromeBrowserState* browser_state);
  27   static scoped_refptr<ShortcutsBackend> GetForBrowserStateIfExists(
  28       ios::ChromeBrowserState* browser_state);
  29   static ShortcutsBackendFactory* GetInstance();
  30
  31  private:
  32   friend struct DefaultSingletonTraits<ShortcutsBackendFactory>;
  33
  34   ShortcutsBackendFactory();
  35   ~ShortcutsBackendFactory() override;
  36
  37   // BrowserStateKeyedServiceFactory implementation.
  38   scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
  39       web::BrowserState* context) const override;
  40   bool ServiceIsNULLWhileTesting() const override;
  41
  42   DISALLOW_COPY_AND_ASSIGN(ShortcutsBackendFactory);
  43 };
  44
  45 }  // namespace ios
  46
  47 #endif  // IOS_CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_